What is the Least Common Multiple of 6855 and 6867?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 6855 and 6867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6855 and 6867, than apply into the LCM equation.

GCF(6855,6867) = 3
LCM(6855,6867) = ( 6855 × 6867) / 3
LCM(6855,6867) = 47073285 / 3
LCM(6855,6867) = 15691095

Least Common Multiple (LCM) of 6855 and 6867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6855 and 6867. First we will calculate the prime factors of 6855 and 6867.

Prime Factorization of 6855

Prime Factorization of 6867

Now multiplying the highest exponent prime factors to calculate the LCM of 6855 and 6867.

LCM(6855,6867) = 3² × 5¹ × 457¹ × 7¹ × 109¹
LCM(6855,6867) = 15691095